Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method of a user equipment which receives System Information (SI) of a femto base station in a wireless communication system, the method comprising: transmitting, by the user equipment, unique identification information of at least one femto base station included in a Closed Subscriber Group (CSG) to a macro base station for generating at least one measurement gap pattern representing a periodically recurring SI transmission point of the at least one femto base station in the macro base station; generating, by the user equipment, the at least one measurement gap pattern representing a periodically recurring SI reception point, wherein the measurement gap pattern is determined based on unique identification information of the macro base station and the unique identification information of the at least one femto base station, by the user equipment; and receiving, by the user equipment, the SI from the at least one femto base station according to the generated at least one measurement gap pattern, wherein the user equipment transmits the unique identification information of at least one femto base station to macro base station before detecting the at least one femto base station according to the at least one measurement gap pattern.
A user equipment (UE) receives System Information (SI) from a femto base station within a wireless network. The UE transmits the femto base station's unique identifier (ID) to a macro base station. This allows the macro base station to create a measurement gap pattern indicating when the femto base station will transmit SI. The UE also independently generates an identical measurement gap pattern, based on both the macro base station's and the femto base station's unique IDs. The UE then uses this pattern to schedule SI reception from the femto base station. Crucially, the UE informs the macro base station about the femto base station's ID before attempting to detect and receive SI from that femto base station.
2. The method of claim 1 , wherein the generating of the at least one measurement gap pattern by the user equipment comprises: determining an SI transmission frame index of the at least one femto base station using the unique identification information of the macro base station and the unique identification information of the at least one femto base station; and generating the at least one measurement gap pattern based on the determined transmission frame index, wherein the user equipment and the macro base station independently determine the measurement gap pattern.
The user equipment (UE) independently determines the measurement gap pattern for receiving System Information (SI) from a femto base station by first calculating an SI transmission frame index. This calculation uses the unique identifiers (IDs) of both the macro base station and the femto base station. Based on this calculated transmission frame index, the UE generates the measurement gap pattern. The macro base station also independently calculates the same measurement gap pattern. Therefore, the user equipment and the macro base station independently determine the measurement gap pattern based on unique identification information of the macro base station and the unique identification information of the at least one femto base station.
4. The method of claim 1 , wherein the user equipment stores a list comprising the unique identification information of the at least femto base station included in the CSG, and unique identification information of at least one macro base station with which the least one femto base station is associated.
The user equipment (UE) maintains a stored list. This list contains the unique identification information of femto base stations belonging to a Closed Subscriber Group (CSG). In addition to the femto base station IDs, the list also stores the unique identification information of the macro base stations with which each femto base station is associated. This allows the UE to quickly determine the relevant macro base station for any given femto base station when generating or obtaining measurement gap patterns.
5. An apparatus of a user equipment which receives System Information (SI) of a femto base station in a wireless communication system, the user equipment comprising the apparatus, the apparatus comprising: a transmitter for transmitting unique identification information of at least one femto base station included in a Closed Subscriber Group (CSG) to a macro base station for generating at least one measurement gap representing a periodically recurring SI transmission point of the at least one femto base station in the macro base station; a memory for storing the unique identification information; a measurement gap pattern generator for generating the at least one measurement gap pattern representing a periodically recurring SI reception point, wherein the measurement gap pattern is determined based on unique identification information of the macro base station and the unique identification information of the at least one femto base station by the measurement gap pattern generator of the user equipment; and a receiver for receiving the SI from the at least one femto base station according to the generated at least one measurement gap pattern, wherein the user equipment transmits the unique identification information of at least one femto base station to macro base station before detecting the at least one femto base station according to the at least one measurement gap pattern.
A user equipment (UE) contains an apparatus for receiving System Information (SI) from a femto base station. The apparatus includes a transmitter that sends the femto base station's unique identifier (ID) to a macro base station to create a measurement gap, which represents when the femto base station transmits SI. The apparatus also has a memory for storing these unique IDs. A measurement gap pattern generator creates a pattern indicating when the UE should listen for SI. This pattern is derived from the unique IDs of both the macro and femto base stations, and is generated independently by the UE. A receiver then receives the SI from the femto base station, using the generated measurement gap pattern. The UE first transmits the femto base station's ID to the macro base station before attempting to detect and receive SI from that femto base station.
6. The apparatus of claim 5 , wherein the measurement gap pattern generator determines an SI transmission frame index of the at least one femto base station using the unique identification information of the macro base station and the unique identification information of the at least one femto base station, and generates the measurement gap pattern based on the determined transmission frame index, wherein the user equipment and the macro base station independently determine the measurement gap pattern.
The measurement gap pattern generator within the user equipment (UE) first determines an SI transmission frame index for the femto base station. This determination is based on the unique identifiers (IDs) of both the macro base station and the femto base station. The measurement gap pattern generator then creates the measurement gap pattern, which dictates when to listen for SI, based on the calculated transmission frame index. The UE and the macro base station independently calculate this same measurement gap pattern.
8. The apparatus of claim 5 , further comprising a storing unit for storing a list comprising the unique identification information of the at least one femto base station, and unique identification information of at least one macro base station with which the least one femto base station is associated.
The apparatus in the user equipment (UE) includes a storage unit that maintains a list. This list contains the unique identification information for femto base stations. The list also contains the unique identification information of the macro base stations associated with those femto base stations. This helps the UE quickly identify the correct macro base station when generating or obtaining measurement gap patterns related to a particular femto base station.
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December 16, 2014
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